/Engine/Source/Runtime/SignalProcessing/Public/DSP/EventQuantizer.h
Callback for when a specific event type occurs. Listeners register themselves for specific events. But will get the same callback called. I.e. same object can register for multiple events.
void OnEvent ( [EEventQuantization](API\Runtime\SignalProcessing\DSP\Audio__EEventQuantization) EventQuantizationType, int32 Bars, float Beat )